Special product available only on request for time trial and triathlon.

Aerodynamic chainring made of structural carbon fiber with a glossy 3K finish. Single chainring with 58 teeth and a bolt circle diameter (BCD) of 110 mm, 4 arms, compatible with Shimano Dura-Ace FC-R9200 and FC-R9200-P, Shimano Ultegra FC-R8100 and FC-R8100-P, and Shimano 105 FC-R7100 cranksets.

Compatible with Shimano 12-speed and 11-speed groupsets.

For mounting on Shimano Dura-Ace, Ultegra, and 105 12-speed cranksets, we recommend using the new specific X-Cover DA9200 1x kit.

Mounting on other Shimano 12-speed crank arms is possible with the X-Fix ROAD XS kit, available in various anodized colors.

Please verify the maximum diameter (242 mm) before placing your order.

100% made in Italy.

We are excited to announce the addition of X-Aeroring chainrings to the Carbon-Ti range, developed and tested by UAE Team Emirates to compete and win in the most important races of the World Tour circuit.

The optimization of the chainrings for high-speed competitions is achieved using Full Carbon single chainrings, used for two seasons on the UAE Team Emirates’ time trial bikes. X-Aeroring: single chainrings made entirely of carbon fiber. The aerodynamic profile, wind tunnel tested, ensures low drag, while the narrow-wide tooth profile prevents chain drops, ensuring reliability and low friction.

The chainrings must be broken in with a new, clean, and lubricated chain. The carbon fiber teeth require extra care to achieve satisfactory durability. Please verify the maximum diameter (242 mm) before placing your order. For greater reliability, we recommend using a chain guide.

X-Aeroring chainrings are available only on request in 58, 60, and 62 tooth sizes for Shimano 12-speed cranksets.